[jira] [Created] (IGNITE-4385) .NET: LINQ requires IQueryable in joins

["Pavel Tupitsyn (JIRA)" <ji...@apache.org>]

Pavel Tupitsyn created IGNITE-4385:
--------------------------------------

             Summary: .NET: LINQ requires IQueryable in joins
                 Key: IGNITE-4385
                 URL: https://issues.apache.org/jira/browse/IGNITE-4385
             Project: Ignite
          Issue Type: Bug
          Components: platforms
    Affects Versions: 1.7, 1.8
            Reporter: Pavel Tupitsyn
            Priority: Minor
             Fix For: 1.9


This does not work:
{code}
var q3 = from ic in GetCache<Contract>().AsCacheQueryable()
    from pp in GetCache<PaymentPlan>().AsCacheQueryable()
    select pp.Value;
{code}

Error:
{code}
Unexpected query source: GetCache().AsCacheQueryable()
{code}

And this does work:
{code}
var contracts = GetCache<Contract>().AsCacheQueryable();
var paymentPlans = GetCache<PaymentPlan>().AsCacheQueryable();
var q3 = from ic in contracts
    from pp in paymentPlans
    select pp.Value;
{code}

While it is usually possible to extract variables, this is an inconvenience. See if we can support such expressions (evaluate irrelevant part automatically).



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